To estimate the price of the 2021 BMW X7 xDrive 40i I6 3.0L Twin Power Turbo (M Kit) xDrive 50i (Top) with 133000 km mileage, I considered the following data points: 1. A 2022 BMW X7 xDrive 50i (Top) with 6000 km sold for SAR 232700 on 2024-01-30. 2. A 2019 BMW X7 xDrive 50i (Top) with 95000 km sold for SAR 209000 on 2024-03-10. 3. A 2021 BMW X7 xDrive 50i (Top) with 133000 km listed for SAR 388000 (not delisted). 4. A 2019 BMW X7 xDrive 50i (Top) with 140000 km listed for SAR 270000 (delisted on 2024-06-19). 5. A 2022 BMW X7 xDrive 50i (Top) with 27000 km listed for SAR 380000 (delisted on 2024-08-13). Considering the selling prices and adjusting for mileage and condition, the estimated market price is derived by averaging the selling prices and adjusting for the higher mileage and condition of the target car.